CN1171204C - Polymeric perfluoro polyether phosphate lubricant topcoat - Google Patents
Polymeric perfluoro polyether phosphate lubricant topcoat Download PDFInfo
- Publication number
- CN1171204C CN1171204C CNB971952159A CN97195215A CN1171204C CN 1171204 C CN1171204 C CN 1171204C CN B971952159 A CNB971952159 A CN B971952159A CN 97195215 A CN97195215 A CN 97195215A CN 1171204 C CN1171204 C CN 1171204C
- Authority
- CN
- China
- Prior art keywords
- fluoro
- ester polymer
- recording medium
- alkyl ether
- magnetic recording
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
- C08G65/327—Polymers modified by chemical after-treatment with inorganic compounds containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
- C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
- C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/335—Polymers modified by chemical after-treatment with organic compounds containing phosphorus
- C08G65/3356—Polymers modified by chemical after-treatment with organic compounds containing phosphorus having nitrogen in addition to phosphorus
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
- G11B5/7253—Fluorocarbon lubricant
- G11B5/7257—Perfluoropolyether lubricant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
- C08G2650/46—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing halogen
- C08G2650/48—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing halogen containing fluorine, e.g. perfluropolyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Magnetic Record Carriers (AREA)
- Lubricants (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
- Polyethers (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1925796P | 1996-06-04 | 1996-06-04 | |
US60/019,257 | 1996-06-04 | ||
US08/819,184 US5874169A (en) | 1997-03-17 | 1997-03-17 | Polymeric perfluoro polyether phosphate lubricant topcoat |
US08/819,184 | 1997-03-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1231051A CN1231051A (en) | 1999-10-06 |
CN1171204C true CN1171204C (en) | 2004-10-13 |
Family
ID=26692047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB971952159A Expired - Lifetime CN1171204C (en) | 1996-06-04 | 1997-05-20 | Polymeric perfluoro polyether phosphate lubricant topcoat |
Country Status (7)
Country | Link |
---|---|
US (1) | US6235689B1 (en) |
JP (2) | JP4313437B2 (en) |
CN (1) | CN1171204C (en) |
DE (1) | DE19781801T1 (en) |
GB (1) | GB2329643B (en) |
HK (1) | HK1018656A1 (en) |
WO (1) | WO1997047000A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001064274A2 (en) * | 2000-03-01 | 2001-09-07 | Glaxo Group Limited | Metered dose inhaler |
US6828284B2 (en) * | 2001-08-06 | 2004-12-07 | E. I. Du Pont De Nemours And Company | Flourinated compositions comprising phosphorus |
US6995121B1 (en) * | 2002-06-24 | 2006-02-07 | Seagate Technology Llc | Stability polymeric lubricants and thin film recording media comprising same |
TWI295299B (en) * | 2002-10-18 | 2008-04-01 | Asahi Glass Co Ltd | Perfluoropolyether derivatives |
EP1876219A1 (en) * | 2005-04-28 | 2008-01-09 | Sony Corporation | Lubricating agent composition and article coated with said lubricating agent composition, stamper for molding substrate for optical disk, molding device for molding substrate for optical disk, method for molding substrate for optical disk, and method for lubricating film formation |
CA2592221C (en) | 2006-07-11 | 2014-10-07 | Tyco Healthcare Group Lp | Skin staples with thermal properties |
WO2008102456A1 (en) * | 2007-02-23 | 2008-08-28 | Fujitsu Limited | Magnetic recording medium and process for manufacturing the same |
US20130237131A1 (en) * | 2012-03-07 | 2013-09-12 | Hitachi Global Storage Technologies Netherlands B.V. | System, Method and Apparatus for Polishing Workpieces |
US9543619B2 (en) | 2015-02-03 | 2017-01-10 | Blue Current, Inc. | Functionalized phosphorus containing fluoropolymers and electrolyte compositions |
US10077231B2 (en) | 2015-02-03 | 2018-09-18 | Blue Current, Inc. | Functionalized fluoropolymers and electrolyte compositions |
JP6488890B2 (en) * | 2015-06-03 | 2019-03-27 | 信越化学工業株式会社 | Fluorooxyalkylene group-containing polymer-modified phosphonic acid derivative, surface treatment agent containing the derivative, article treated with the surface treatment agent, and optical article |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3083224A (en) * | 1961-12-08 | 1963-03-26 | Du Pont | Polyfluoroalkyl phosphates |
US3567802A (en) * | 1968-12-03 | 1971-03-02 | Du Pont | Perfluoropolyoxoalkane substttuted phosphinates |
US4256672A (en) * | 1979-10-25 | 1981-03-17 | Mitsui Toatsu Chemicals, Inc. | Process for the preparation of phosphoric esters and thiophosphoric esters |
JPS60109028A (en) | 1983-11-17 | 1985-06-14 | Hitachi Maxell Ltd | Magnetic recording medium |
JPS61253634A (en) | 1985-05-01 | 1986-11-11 | Hitachi Maxell Ltd | Magnetic recording medium |
JPH01268696A (en) * | 1988-04-19 | 1989-10-26 | Daikin Ind Ltd | Fluorine-containing phosphate, production thereof and fluorine-containing rust preventive |
JP2680169B2 (en) | 1989-07-11 | 1997-11-19 | 富士写真フイルム株式会社 | Magnetic recording media |
US5128216A (en) | 1990-06-26 | 1992-07-07 | Digital Equipment Corporation | Lubricants for magnetic media |
EP0633016B1 (en) * | 1990-08-03 | 1999-12-15 | Kao Corporation | Cosmetic |
US5141661A (en) * | 1991-09-03 | 1992-08-25 | Texaco Inc. | Wear resistant lubricant additives made of ethylene/α-olefin polymer grafted with perfluoro-substituents |
IT1251577B (en) * | 1991-10-02 | 1995-05-17 | Ausimont Spa | LUBRICANT OILS AND GREASES. |
US5112662A (en) | 1991-10-07 | 1992-05-12 | Digital Equipment Corporation | Method for providing a lubricant coating on the surface of a magneto-optical disk and resulting optical disk |
DE69226355T2 (en) * | 1991-11-18 | 1999-04-01 | Sony Corp., Tokio/Tokyo | MAGNETIC RECORD CARRIER |
GB9200501D0 (en) * | 1992-01-10 | 1992-02-26 | Bp Chem Int Ltd | Lubricating oil compositions |
JP2778333B2 (en) * | 1992-01-31 | 1998-07-23 | 日本電気株式会社 | Magnetic storage device |
JPH0762377A (en) | 1993-08-23 | 1995-03-07 | Sony Corp | Lubricant and magnetic recording medium |
JP3661949B2 (en) * | 1994-03-11 | 2005-06-22 | 富士写真フイルム株式会社 | Magnetic recording medium |
JP3365043B2 (en) * | 1994-05-18 | 2003-01-08 | 富士写真フイルム株式会社 | Magnetic recording media |
US5518788A (en) * | 1994-11-14 | 1996-05-21 | Minnesota Mining And Manufacturing Company | Antistatic hard coat incorporating a polymer comprising pendant fluorinated groups |
US5874169A (en) * | 1997-03-17 | 1999-02-23 | Seagate Technology, Inc. | Polymeric perfluoro polyether phosphate lubricant topcoat |
-
1997
- 1997-05-20 CN CNB971952159A patent/CN1171204C/en not_active Expired - Lifetime
- 1997-05-20 DE DE19781801T patent/DE19781801T1/en not_active Withdrawn
- 1997-05-20 JP JP50059998A patent/JP4313437B2/en not_active Expired - Lifetime
- 1997-05-20 GB GB9826274A patent/GB2329643B/en not_active Expired - Lifetime
- 1997-05-20 WO PCT/US1997/008406 patent/WO1997047000A1/en active IP Right Grant
-
1998
- 1998-10-05 US US09/166,167 patent/US6235689B1/en not_active Expired - Lifetime
-
1999
- 1999-08-20 HK HK99103615A patent/HK1018656A1/en not_active IP Right Cessation
-
2008
- 2008-04-08 JP JP2008100176A patent/JP2008257852A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2000515902A (en) | 2000-11-28 |
HK1018656A1 (en) | 1999-12-30 |
GB2329643B (en) | 2000-08-23 |
DE19781801T1 (en) | 1999-05-12 |
WO1997047000A1 (en) | 1997-12-11 |
GB9826274D0 (en) | 1999-01-20 |
JP4313437B2 (en) | 2009-08-12 |
GB2329643A (en) | 1999-03-31 |
JP2008257852A (en) | 2008-10-23 |
CN1231051A (en) | 1999-10-06 |
US6235689B1 (en) | 2001-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Applicant after: Seagate Technology, Inc. Applicant before: Sichater Tehc. Co., Ltd. |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SEAGATE TECHNOLOGY, INC. TO: SEAGATE TECHNOLOGY LLC |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SEAGATE TECHNOLOGY SCIENCE & TECHNOLOGY CO., LTD. Free format text: FORMER NAME OR ADDRESS: SEAGATE TECHNOLOGY LLC |
|
CP03 | Change of name, title or address |
Address after: American California Patentee after: Seagate Technology LLC Address before: American California Patentee before: Seagate Technology, Inc. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20041013 |